Home / 1,965,547.35-2,948,455.69-668,171.77

Finding the Fourth Proportional to 1,965,547.35, 2,948,455.69 and 668,171.77

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Solution

The fourth proportional to 1,965,547.35, 2,948,455.69 and 668,171.77 is: 1,002,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,547.35 : 2,948,455.69 = 668,171.77 : x
  2. Step 2: Convert to fraction form
    1,965,547.35/2,948,455.69 = 668,171.77/x
  3. Step 3: Cross multiply
    1,965,547.35x = 2,948,455.69 × 668,171.77
  4. Step 4: Simplify right side
    1,965,547.35x = 1,970,074,848,112.30
  5. Step 5: Solve for x
    x = 1,970,074,848,112.30/1,965,547.35
  6. Step 6: Final answer
    x = 1,002,303.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.